Question

Which lamp has the highest energy efficiency?

• A. Incandescent Lamp
• B. LED Lamp
• C. CFL
• D. Arc Lamp

Answer 1

Answer:

B. LED Lamp

• LED stands for light emitting diode.
• LEDs are used as indicator lamps in many devices, and are increasingly used for lighting.
• These have lower energy consumption, longer lifetime, smaller size, faster switching as compared to other light sources used in our daily life.